Rebecca Black's YouTube sensation "Friday" was one of ELLE's favorite musical moments last year. Now, the teenager is one year older—and back with a new song, "Sing It." The accompanying music video includes a few "Friday" elements—namely the dance party scene and fist-pumping "Yeah!" exclamations, but the sound itself veers away from the "Friday"`s Auto-Tune and more toward straight-up pop. Watch the music video after the jump.